What are the materials of thick-walled alloy tubes?

The performance of alloy pipe is much higher than that of general seamless steel pipe, because this steel pipe contains more Cr, and its high temperature resistance, low temperature resistance, corrosion resistance is not comparable to other seamless steel pipes, so alloy pipe is widely used in petroleum, chemical, electric power, boiler and other industries.

The main materials of alloy tubes are 16mn/40Mn2 alloy steel pipe, 45Mn2 alloy steel pipe, 27SiMn alloy steel pipe, 20Cr alloy steel pipe, 40Cr alloy steel pipe, 20CrMo alloy steel pipe, 35crMo alloy steel pipe, 38CrMoAl alloy steel pipe, 50CrV alloy steel pipe, 30CrMnSi alloy steel pipe, 335P11 alloy steel pipe, P91 alloy steel pipe, P92 alloy steel pipe, 15CrMoG alloy steel pipe, 12Cr1MoVG alloy steel pipe, 1Cr5Mo alloy steel pipe, Cr5Mo alloy steel pipe, Cr9Mo alloy steel pipe, 0Cr9Mo alloy steel pipe, 15CrMo alloy steel pipe, 35CrMo alloy steel pipe, 12Cr1MoV alloy steel pipe, 10CrMo910 alloy steel pipe, A335P91 alloy steel pipe, 1Cr2Mo alloy steel pipe, 15MnV alloy steel pipe, 37Mn5 alloy steel pipe, 10Cr9Mo1VNb gold steel pipe, 15NiCuMoNb5 alloy steel pipe, 12Cr2MoWVTiB alloy steel pipe, WB36 alloy steel pipe, SA106B alloy steel pipe, ST45.8-III, etc.;
Pucarbon high-pressure boiler tube
GB5310-95 materials are: 20G alloy steel pipe, 20MG alloy steel pipe, 25MG alloy steel pipe, 15MoG gold steel pipe, 20MoG alloy steel pipe above are commonly used materials, alloy tube common implementation standards: alloy tube GB/T8162—-
Chinese national standard GB/T6479—-
Chinese national standard
GB/T9948—- Chinese national standard
GB5310 —— Chinese national standard
ASME SA210 —— American Code for Boilers and Pressure Vessels
ASME SA213 – USA Code for Boilers and Pressure Vessels
DIN17175 – Federal German Industrial Standard

What is 15NiCuMoNb5?

15NiCuMoNb5 is a high-temperature alloy steel that is commonly used for manufacturing boiler tubes, heat exchangers, and pressure vessels. It is also known as P36 steel in some industries.

15NiCuMoNb5 belongs to the group of low-alloy steels, which means that it contains small amounts of additional alloying elements such as molybdenum, nickel, and copper. These elements improve the mechanical properties of the steel at high temperatures, increasing its resistance to corrosion, oxidation, and deformation.

The chemical composition of 15NiCuMoNb5 includes:

• Carbon (C): 0.14-0.18%
• Silicon (Si): 0.15-0.50%
• Manganese (Mn): 0.30-0.60%
• Phosphorus (P): ≤0.025%
• Sulfur (S): ≤0.020%
• Chromium (Cr): 0.30-0.60%
• Molybdenum (Mo): 0.25-0.50%
• Nickel (Ni): 1.00-1.30%
• Copper (Cu): 0.30-0.50%
• Niobium (Nb): 0.06-0.10%

The mechanical properties of 15NiCuMoNb5 depend on factors such as the heat treatment, processing conditions, and the specific requirements of the application. In general, however, this material has high strength and excellent creep resistance at elevated temperatures.

Overall, 15NiCuMoNb5 is a high-performance alloy steel that is commonly used in critical applications where high-temperature performance and corrosion resistance are required.

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